Issue #8587 has been reported by mrkn (Kenta Murata).

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Backport #8587: Back porting r41623
https://bugs.ruby-lang.org/issues/8587

Author: mrkn (Kenta Murata)
Status: Open
Priority: Normal
Assignee: nagachika (Tomoyuki Chikanaga)
Category: 
Target version: 


r41623 fixes a bug of BigMath.exp in the case of negative non-BigDecimal arguments.

cf. https://github.com/ruby/ruby/pull/332


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